Chemistry
Carbon monoxide is 140 times more attracted to hemoglobin than oxygen. Therefore, it binds tightly to Hb forming Hb•CO removing free HB from the body. Use LeChateliers principle and describe why CO poisoning is very dangerous.
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Q11) It is crucial that the human body control the concentration of H ions for any...
Q11) It is crucial that the human body control the concentration of H ions for any significant change can lead to sickness or death. Breathing controls the amount of CO2 in the lungs which can ultimately impact the bodies H' concentration. 3 (ag) a) If the breathing rate is slowed down, the concentration of CO2 in the lungs increases. Use LeChatelier's principle and discuss how holding your breath can impact the H concentration. (This is called "respiratory acidosis") What would...
For the following questions consider this equation for hemoglobin – oxygen equilibrium. Hb + 4O2⥤ Hb(O2)4...
For the following questions consider this equation for hemoglobin – oxygen equilibrium. Hb + 4O2⥤ Hb(O2)4 Carbon Monoxide (CO) bonds to hemoglobin approximately 230 times stronger than oxygen. How would you increase the bonding oxygen to a patient with carbon monoxide poisoning?
1. a) Predict the effect of the following changes on the reaction in which SO3 decomposes...
1. a) Predict the effect of the following changes on the reaction in which SO3 decomposes to form SO2 and O2. 2 SO3(g) → 2 SO2 (g) + O2 (g) delta Ho = 197.78 kJ (1) Increasing the temperature of the reaction. (2) Increasing the pressure on the reaction. (3) Adding more O2 when the reaction is at equilibrium. (4) Removing O2 from the system when the reaction is at equilibrium. b) A person exposed to high levels of carbon...
Carbon monoxide (CO) is toxic because it binds more strongly to the iron in hemoglobin (Hb) than does oxygen (O2), as i...
Carbon monoxide (CO) is toxic because it binds more strongly to the iron in hemoglobin (Hb) than does oxygen (O2), as indicated by these approximate standard free-energy changes in blood: Hb+O2=HbO2 Delta G= -70 kJ/mol Hb+CO=HbCO Delta G= -80 kJ/mol Part A Estimate the equilibrium constant K at 298 K for the equilibrium HbO2+CO==HbCO+O_2
Carbon monoxide (CO) is toxic because it binds more strongly to the iron in hemoglobin (Hb) than does oxygen (O2), as i...
Carbon monoxide (CO) is toxic because it binds more strongly to the iron in hemoglobin (Hb) than does oxygen (O2), as indicated by these approximate standard free-energy changes in blood: reaction A:reaction B:Hb+O2Hb+CO⟶⟶HbO2,HbCO, ΔG∘=−70 kJ/mol ΔG∘=−80 kJ/mol Part A Estimate the equilibrium constant K at 298 K for the equilibrium HbO2+CO⇌HbCO+O2
1. Carbon monoxide poisoning can happen because carbon monoxide has a higher affinity for hemoglo...
1. Carbon monoxide poisoning can happen because carbon monoxide has a higher affinity for hemoglobin than oxygen does. This can be seen by comparing the equilibrium constants for the two reactions Hb(a)+02()Hb02(aq) Hb(a)C(e) HbCO(aq) K 1.9x1012 K 1.1x1014 where Hb is hemoglobin. The actual reactions are more complicated since each hemoglobin can accept up to four oxygen molecules, but we will simplify it for this problem A concentration of about 12,500 parts per million of CO is considered highly lethal....
4. (6 pts) Hemoglobin (Hb) binds to both oxygen and carbon monoxide. When the carbon monoxide...
4. (6 pts) Hemoglobin (Hb) binds to both oxygen and carbon monoxide. When the carbon monoxide replaces the oxygen in an organism, the following reaction occurs: HbO2 + CO → HbCO + O2) At 37°C. K is about 200. When equal concentrations of HbO2 and HbCO are present, the effect of CO inhalation is fatal. Assuming Poe = 0.21 atm, what is Poo when [HBO3) - [HbCO)?
The binding of oxygen to hemoglobin in the blood involves the equilibrium reaction: Carbon monoxide replaces...
The binding of oxygen to hemoglobin in the blood involves the equilibrium reaction: Carbon monoxide replaces oxygen in oxygenated hemoglobin according to the reaction: HbO2(aq) + CO(aq)HbCO(aq) + O2(aq) a. If the normal pH of blood is controlled within a range of 7.35 to 7.45. If the pKw is 13.63, what is the normal range of [H+] and [OH- b. What would happen if oxygenated hemoglobin became too acidic? c. Use the reaction and associated equilibrium constants at body temperature...
qual 5 In this case? Why or why not? 5.8. The hemoglobin in blood establishes an...
qual 5 In this case? Why or why not? 5.8. The hemoglobin in blood establishes an equilibrium with oxygen gas very quickly. The equilibrium can be represented as heme + 02 = heme-Oz where "heme" stands for hemoglobin and "heme-O," stands for the hemoglobin-oxygen complex. The value for the equilibrium constant for this reaction is about 9.2 X 1018. Carbon monoxide also binds with hemoglobin by the following reaction: heme + CO heme.CO This reaction has an equilibrium constant of...
9. Carbon monoxide (CO) is toxic because it can displace oxygen (O2) from the iron in...
9. Carbon monoxide (CO) is toxic because it can displace oxygen (O2) from the iron in hemoglobin (Hgb) following the reaction: HgbO2 (s) + CO(g) + Hgbco (s) + O2 (g) AG®rx = -30. kl/mol A. Consider the following reactions involving hemoglobin, O2 and Co: Hgboz (s) + Hgb (s) + O2 (g) AG®rxn = 40. kJ/mol HgbCO (s) -- Hgb (s) + CO (6) AGºrx = ??? Using Hess's law, determine the free energy AG*rn (in kJ/mol) for the...
Q11) It is crucial that the human body control the concentration of H ions for any significant change can lead to sickness or death. Breathing controls the amount of CO2 in the lungs which can ultimately impact the bodies H' concentration. 3 (ag) a) If the breathing rate is slowed down, the concentration of CO2 in the lungs increases. Use LeChatelier's principle and discuss how holding your breath can impact the H concentration. (This is called "respiratory acidosis") What would...
1. Carbon monoxide poisoning can happen because carbon monoxide has a higher affinity for hemoglobin than oxygen does. This can be seen by comparing the equilibrium constants for the two reactions Hb(a)+02()Hb02(aq) Hb(a)C(e) HbCO(aq) K 1.9x1012 K 1.1x1014 where Hb is hemoglobin. The actual reactions are more complicated since each hemoglobin can accept up to four oxygen molecules, but we will simplify it for this problem A concentration of about 12,500 parts per million of CO is considered highly lethal....
4. (6 pts) Hemoglobin (Hb) binds to both oxygen and carbon monoxide. When the carbon monoxide replaces the oxygen in an organism, the following reaction occurs: HbO2 + CO → HbCO + O2) At 37°C. K is about 200. When equal concentrations of HbO2 and HbCO are present, the effect of CO inhalation is fatal. Assuming Poe = 0.21 atm, what is Poo when [HBO3) - [HbCO)?
The binding of oxygen to hemoglobin in the blood involves the equilibrium reaction: Carbon monoxide replaces oxygen in oxygenated hemoglobin according to the reaction: HbO2(aq) + CO(aq)HbCO(aq) + O2(aq) a. If the normal pH of blood is controlled within a range of 7.35 to 7.45. If the pKw is 13.63, what is the normal range of [H+] and [OH- b. What would happen if oxygenated hemoglobin became too acidic? c. Use the reaction and associated equilibrium constants at body temperature...
qual 5 In this case? Why or why not? 5.8. The hemoglobin in blood establishes an equilibrium with oxygen gas very quickly. The equilibrium can be represented as heme + 02 = heme-Oz where "heme" stands for hemoglobin and "heme-O," stands for the hemoglobin-oxygen complex. The value for the equilibrium constant for this reaction is about 9.2 X 1018. Carbon monoxide also binds with hemoglobin by the following reaction: heme + CO heme.CO This reaction has an equilibrium constant of...
9. Carbon monoxide (CO) is toxic because it can displace oxygen (O2) from the iron in hemoglobin (Hgb) following the reaction: HgbO2 (s) + CO(g) + Hgbco (s) + O2 (g) AG®rx = -30. kl/mol A. Consider the following reactions involving hemoglobin, O2 and Co: Hgboz (s) + Hgb (s) + O2 (g) AG®rxn = 40. kJ/mol HgbCO (s) -- Hgb (s) + CO (6) AGºrx = ??? Using Hess's law, determine the free energy AG*rn (in kJ/mol) for the...
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